# vd > A facade over vector databases — one interface, ~15 backends ## Pages - [vd](index.html.md): **One Pythonic interface to ~15 vector databases.** Store vectors, search them, filter by metadata, ... - [API reference](api.html.md): | `vd` | `vd` — one Pythonic interface to every vector database. | - [vd](_autosummary/vd.html.md): `vd` — one Pythonic interface to every vector database. - [vd.analytics](_autosummary/vd.analytics.html.md): Analytics and statistics for vd collections. - [vd.asynchronous](_autosummary/vd.asynchronous.html.md): Async support for `vd`: universal wrapper + opt-in native implementations. - [vd.backends](_autosummary/vd.backends.html.md): Backend adapters for the vector databases `vd` supports. - [vd.backends.memory](_autosummary/vd.backends.memory.html.md): In-memory backend — the reference adapter. - [vd.base](_autosummary/vd.base.html.md): Core contracts, data model, and abstract bases for the `vd` vectorDB facade. - [vd.cli](_autosummary/vd.cli.html.md): Command-line interface for vd. - [vd.config](_autosummary/vd.config.html.md): Configuration management for vd. - [vd.filters](_autosummary/vd.filters.html.md): The canonical metadata-filter language for `vd`. - [vd.health](_autosummary/vd.health.html.md): Health check and validation utilities for vd. - [vd.io](_autosummary/vd.io.html.md): Import/export utilities for vd collections. - [vd.migration](_autosummary/vd.migration.html.md): Migration utilities for moving data between backends. - [vd.requirements](_autosummary/vd.requirements.html.md): Setup assistance: turning provider metadata into actionable diagnostics. - [vd.search](_autosummary/vd.search.html.md): Advanced search utilities for vd. - [vd.text](_autosummary/vd.text.html.md): Text preprocessing and chunking utilities for vd. - [vd.time_indexed](_autosummary/vd.time_indexed.html.md): Time-indexed vector collection wrapper. - [vd.util](_autosummary/vd.util.html.md): The backend registry, the `connect()` factory, and small shared utilities. - [For AI agents](ai-agents.html.md): `vd` ships artifacts for coding agents alongside its code. This page lists - [About this build](about-this-build.html.md): This documentation was built on **2026-10-13 11:42 UTC** from commit <a href="https://github.com/i2m... ## Optional - [vd.md](vd.md): Complete documentation in a single file. ## Build - [build_info.json](build_info.json): build provenance (commit, version, tool versions, whether the docs match the package)